We calculate the full second-order radiation transfer function for cosmic microwave background anisotropies on large angular scales in a flat universe filled with matter and cosmological constant. It includes (i) the second-order generalization of the Sachs Wolfe effect, and of (ii) both the early and late integrated Sachs Wolfe effects, and (iii) the contribution of the second-order tensor modes, and is valid for a generic set of initial conditions specifying the level of primordial non-Gaussianity.
The Full Second-Order Radiation Transfer Function for Large-Scale CMB Anisotropies
BARTOLO, NICOLA;MATARRESE, SABINO;
2006
Abstract
We calculate the full second-order radiation transfer function for cosmic microwave background anisotropies on large angular scales in a flat universe filled with matter and cosmological constant. It includes (i) the second-order generalization of the Sachs Wolfe effect, and of (ii) both the early and late integrated Sachs Wolfe effects, and (iii) the contribution of the second-order tensor modes, and is valid for a generic set of initial conditions specifying the level of primordial non-Gaussianity.File in questo prodotto:
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